js 显示当前时间代码

 js代码 function showTime(ele) { var d = new Date(); var year = d.getFullYear(); var month = d.getMonth(); var day = d.getDate(); var hour = d.getHours(); var mm = d.getMinutes(); var ss = d.getSeconds(); var strDate = year+"/" ; if(month<10) strDate +='0'; strDate += month +"/"; if(day<10) strDate += '0'; strDate += day; strDate += " "; if(hour<10) strDate += '0'; strDate += hour; strDate += ":"; if(mm<10) strDate += '0'; strDate += mm; strDate += ":"; if(ss<10) strDate += '0'; strDate += ss; document.getElementById(ele).innerHTML = strDate; } var id; function startTime(ele) { id = setInterval(showTime,1000,ele) } function stopTime() { if(id) { clearInterval(id); } }

html：

<p > 当前时间：<span id ='time'>goole!!!!!</span> </p> <input type="button" name="kutei" value="start" onclick="startTime('time')"> <input type="button" name="kutei" value="stop" onclick="stopTime()">